/*
 * Copyright (c) 2008-2020, Hazelcast, Inc. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.hazelcast.sql.impl.optimizer;

import com.hazelcast.sql.impl.security.SqlSecurityContext;

/**
 * Abstraction over execution plan that allows for specialization for an execution backend.
 */
public interface SqlPlan {
    /**
     * Check whether the user has enough permissions to execute this plan.
     *
     * @param context security context
     */
    void checkPermissions(SqlSecurityContext context);

    /**
     * @return {@code true} if the query produces rows, {@code false} otherwise
     */
    boolean producesRows();
}
